In Design and Analysis of Experiments, 9th edition (Wiley, 2017), D. C. Montgomery described an experiment in which the tensile strength of a synthetic fiber was of interest to the manufacturer. It is suspected that strength is related to the percentage of cotton in the fiber. Five levels of cotton percentage were used and five replicates were run in random order, resulting in the following data. Cotton Tensile Strength Percentage 15 7 7 9 20 17 18 18 25 18 19 19 30 19 25 22 19 23 35 7 10 11 15 11 a. Does cotton percentage affect breaking strength? Perform an analysis of variance. Use a = 0.05. 12 14 12 14 15 12 18 11
In Design and Analysis of Experiments, 9th edition (Wiley, 2017), D. C. Montgomery described an experiment in which the tensile strength of a synthetic fiber was of interest to the manufacturer. It is suspected that strength is related to the percentage of cotton in the fiber. Five levels of cotton percentage were used and five replicates were run in random order, resulting in the following data. Cotton Tensile Strength Percentage 15 7 7 9 20 17 18 18 25 18 19 19 30 19 25 22 19 23 35 7 10 11 15 11 a. Does cotton percentage affect breaking strength? Perform an analysis of variance. Use a = 0.05. 12 14 12 14 15 12 18 11
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.5: Comparing Sets Of Data
Problem 14PPS
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